Sediment by rotational flow deslagging device
The utility model belongs to municipal drainage technical field, and in particular to a kind of sediment by rotational flow deslagging device.
According to statistics, a large amount of solid refuses, including silt, leaf, bamboo stick, napkin paper, modeling are contained in the urban rainwater of collection
Pocket, beer bottle cap, coal ash, breeze cigarette end, cigarette case, cigarette end, leftovers and other house refuses.If these solid refuses
By rainwater well plugging, once very heavy rains, the draining flood discharge function in city will be severely impacted, road ponding is caused.And
If this kind of rainwater containing a large amount of solid refuses is directly discharged into nature receiving waters, serious dirt can be also caused to urban water-body
Dye.Nature receiving waters can be just only directly discharged into by cutting the rainwater of dirty technical finesse, natural water environment is effectively protected.
At present, intercepting pollution for rainwater technology is divided into source processing and terminal processes both of which.Source processing is hung frequently with dirt is cut
Basket carries out filtration treatment to larger rubbish, leaf and silt in rainwater etc..Terminal processes arrange setting at mouth frequently with rainwater
Grid and sedimentation basin are to filter the rubbish in rainwater.Prefabricated combined septic tank is simple and easy to do, and mesh diameter is in 1 ~ 2mm or so, but due to rain
Existing bulk solid rubbish in water rubbish, also there is a large amount of silts, and 1 ~ 2mm of diameter screen pack is poor for silt filter effect,
And easily block, if clear draw can cause catch-basin Hanging Basket to deposit not in time, impeded drainage.The grid and sedimentation basin of terminal processes are deposited
The problem of clearing up difficulty, easily blocking and construct cumbersome.Therefore, we can remove rain impurities in water in the urgent need to one kind, again
It is convenient to clean, does not result in the device of blocking.
Utility model content
The purpose of this utility model is that rain impurities in water can be removed by providing one kind, be convenient to clean, do not result in stifled again
The sediment by rotational flow deslagging device of plug.
The technical scheme that the utility model is used is：
A kind of sediment by rotational flow deslagging device, including cylindrical housing, choked flow mechanism, core barrel；On the cylindrical housing
Provided with water inlet and delivery port, the water inlet is connected with rainwater water inlet pipe, and the delivery port is connected with rainwater outlet pipe, described
Rainwater water inlet pipe and cylindrical housing are tangent；The choked flow mechanism is placed in water inlet；The core barrel is placed in cylindrical housing
It is interior, it is tightly connected by connecting plate group and cylindrical housing；The top of the core barrel is surrounded by the first filter, center
Water in bucket flows into cylindrical housing after the first filter, then is discharged by rainwater outlet pipe.
By such scheme, the choked flow mechanism is arranged on the quadrant of cylindrical housing；It include from it is small to
The spoiler set gradually greatly, so as to which the larger silt of proportion is deposited on into core barrel bottom by way of gravity cyclone sediment,
Improve the water quality of discharge rainwater.
By such scheme, the core barrel is stainless steel structure stack shell, which is provided with handle and buckles, clear in order to propose
By such scheme, first filter is the perpendicular grid that ring is located at core barrel top surrounding；Each grid with
The angle α of cylindrical housing is 130-160 °, preferably 150 °；The spacing of perpendicular grid is 3-5mm, preferably 3mm；So that volume
Larger solid refuse is intercepted by spacing for 3-5mm perpendicular grid, to improve the water quality of discharge rainwater.
By such scheme, the core barrel is hung in cylindrical housing by connecting plate group, i.e., the bottom of core barrel is high
In the bottom of cylindrical housing；The bottom of the core barrel is sand deposition hopper, and sand deposition hopper surrounding is without grid, bottom even distributed aperture
For 0.5mm spilled water holes, to facilitate the silt in rainwater in core barrel bottom sediments.
By such scheme, the rainwater water inlet pipe has 1-5 ° of angle with horizontal direction, preferably 1 °, is poured with sharp current
When produce current be vortexed；The rainwater outlet pipe and cylindrical housing are tangent, and have 1-5 ° of angle with horizontal direction, in order to
The discharge of rainwater.
By such scheme, the cylindrical housing can be made up of some pitch circles cylinder, and assembly is convenient；PE material injections can be used
Shaping, Portable durable can be directly buried, strong adaptability；The vertical section of the core barrel is taper, to aid in the formation of eddy flow；
The connecting plate group includes upper junction plate and lower connecting plate, and the top seal of upper junction plate and core barrel is connected, lower connecting plate with
Core barrel bottom connection, be vertically connected with plate shape into cavity be connected with core barrel, rainwater outlet pipe, so as to rainwater outlet pipe
Rainwater of the discharge by filtering.
The rainwater of earth's surface flows into cylindrical housing formation eddy flow through rainwater water inlet pipe and flowed into core barrel, and choked flow mechanism will compare
The larger silt of weight is deposited on core barrel bottom by way of gravity cyclone sediment；Rainwater in core barrel is filled by the first filtering
Inflow cylindrical housing is put, is discharged through rainwater outlet pipe, the larger solid refuse of volume is intercepted at center by the first filter
In bucket.When the bits in core barrel, silt are more, core barrel can be proposed cylindrical housing, with easy cleaning.
The beneficial effects of the utility model are：
Acted on using hydraulic cyclone, in choked flow mechanism（Spoiler）In the presence of, the larger silt of proportion is passed through into gravity
The mode of cyclone sediment is deposited on core barrel bottom, and the larger solid refuse of volume is then intercepted by the first filter, to improve
Discharge the water quality of rainwater；
Water inlet pipe is accessed in cylindrical housing with tangential direction, and has angle with horizontal direction, is produced when being poured with sharp current
Unboiled water stream is vortexed；
It is strong that the utility model adapts to changes in flow rate ability；The loss of flood peak is small, ordinary loss value only 6mm；Fine sand clearance
Height, gravel particle diameter removal efficiency more than 0.3mm up to more than 90%, 0.104mm fine sand also up to 73%；Kinetic energy efficiency is high；
It is located at the spoiler of water inlet setting from small to large, separation and precipitation for accelerating silt on cylindrical housing
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the structural representation of the utility model sediment by rotational flow deslagging device；
Fig. 2 is the A-A sectional views in Fig. 1；
Fig. 3 is the B-B sectional views in Fig. 1；
Fig. 4 is the scheme of installation of perpendicular grid.
Wherein：1st, cylindrical housing, 2, spoiler, 3, core barrel, 4, water inlet, 5, rainwater water inlet pipe, 6, rainwater water outlet
Pipe, 7, perpendicular grid, 8, upper junction plate, 9, lower connecting plate, 10, sand deposition hopper, 11, spilled water hole.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit the utility model.
Referring to Fig. 1-Fig. 4, a kind of sediment by rotational flow deslagging device, including cylindrical housing 1, choked flow mechanism, core barrel 3.Circle
Cylindrical outer casing is molded by PE material injections, which is provided with water inlet 4 and delivery port, and water inlet 4 is connected with rainwater water inlet pipe 5, gone out
The mouth of a river is connected with rainwater outlet pipe 6；Rainwater water inlet pipe 5 and cylindrical housing 1 are tangent, and have with horizontal direction 1-5 ° of angle
（Preferably 1 °）, current are produced when being poured in order to current and are vortexed；Rainwater outlet pipe 6 and cylindrical housing 1 are tangent, and with level
There is 1-5 ° of angle in direction（Preferably 1 °）, in order to the discharge of rainwater.Choked flow mechanism is placed in cylinder at water inlet 4
On the quadrant of shape shell 1, it includes the spoiler 2 that sets gradually from small to large, so as to by the larger silt of proportion
The bottom of core barrel 3 is deposited on by way of gravity cyclone sediment.Core barrel 3 is placed in cylindrical housing 1, the top of core barrel 3
Be tightly connected with upper junction plate 8, the bottom of core barrel 3 is connected with lower connecting plate 9, be vertically connected with plate shape into cavity and core barrel
3rd, rainwater outlet pipe 6 is connected, and is discharged so as to the rainwater of cavity by rainwater outlet pipe；Is surrounded by the top of core barrel 3
One filter, so as to which the larger solid refuse of volume is dammed in core barrel 3；Buckled in core barrel 3 provided with handle, when
When rubbish, silt in core barrel 3 are more, core barrel 3 can be proposed, in order to scarfing cinder.First filter is during ring is located at
The perpendicular grid 7 of the heart 3 top surroundings of bucket；The angle α of each grid and cylindrical housing is 130-160 °（Preferably 150 °）；Perpendicular lattice
The spacing of grid 7 is 3-5mm（Preferably 3mm）.The bottom of core barrel 3 is sand deposition hopper 10, and the surrounding of sand deposition hopper 10 is without grid, bottom
Aperture is uniformly distributed for 0.5mm spilled water holes 11.
In the utility model, core barrel 3 is hung in cylindrical housing 1 by being vertically connected with plate, i.e. the bottom of core barrel 3
Higher than the bottom of cylindrical housing 1.Cylindrical housing 1 can be made up of some pitch circles cylinder, to improve its adaptability.Core barrel 3
Vertical section may be designed as taper, to aid in the formation of eddy flow.
The rainwater of earth's surface flows into the formation eddy flow of cylindrical housing 1 through rainwater water inlet pipe 5 and flowed into core barrel 3, and passes through resistance
The larger silt of proportion is deposited on the bottom of core barrel 3 by stream plate 2 by way of gravity cyclone sediment；Rainwater in core barrel 3 leads to
Cross perpendicular grid 7 and flow into cylindrical housing 1, discharged through rainwater outlet pipe 6, and the larger solid refuse of volume is then blocked by perpendicular grid 7
Cut in core barrel 3.When the rubbish in core barrel 3, silt are more, core barrel 3 can be proposed to cylindrical housing 1 to carry out clearly
The present apparatus can be placed in drainage pipeline networks as a gully, and online processing is heavy on the pipe network that the rainy mouth of a river is accessed
Shallow lake silt, filters scum silica frost.One present apparatus is set every two to three common rainwater inspection wells, gravity stream waterpower in pipe network is utilized
Effect, under the booster action of spoiler 2, using gravity cyclone sediment principle by the larger sedimentation of proportion in core barrel 3
Bottom, and the larger solid refuse of volume is then intercepted by spacing for 3-5mm perpendicular grid 7；So as to intercept a large amount of pollutions in rainwater
Thing purifying rainwater is discharged, and substantially reduces influence of the initial rainwater pollutant to receiving water body.The present apparatus can reduce maintenance, long-term high
Effect operation, it is only necessary to carry out customary desilting once every two weeks, core barrel 3 is proposed from cylindrical housing 1, silt and rubbish
Pour into garbage truck, you can ensure that device will not be blocked.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of the utility model appended claims.